公开(公告)号：US09673236B2

公开(公告)日：2017-06-06

申请号：US14661161

申请日：2015-03-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyun-Jong Jin ,  Tae-Chan Kim ,  Dong-Ki Min

IPC: H04N5/369 ,  H01L27/146 ,  H04N9/04

CPC classification number: H01L27/14607 ,  H01L27/14609 ,  H01L27/1461 ,  H01L27/14621 ,  H01L27/14641 ,  H01L27/14643 ,  H01L27/14645 ,  H04N9/045

Abstract: A pixel array of an image sensor includes a substrate, a chromatic pixel including a first photodiode formed in the substrate and a color filter formed over the first photodiode, and an achromatic pixel including a second photodiode formed in the substrate, the second photodiode having a nano pillar pattern at a surface region of the substrate.